A PhD, also known as a Doctor of Philosophy degree, is a doctorate awarded by a university to the academic who has met all necessary qualifications and can now be considered a doctor in his or her academic field.
A PhD degree is the highest degree students can earn in any field of study. Rigorous and intense, PhD programs are available only to students who have completed master's degree program, applied to a particular PhD study course and been accepted by administrators overseeing the PhD program.
Education in the United States is mainly provided by the public sector, with control and funding coming from three levels: state, local, and federal, in that order. The common requirements to study at a higher education level in United States will include your admissions essay (also known as the statement of purpose or personal statement), transcript of records, recommendation/reference letters, language tests
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